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Topic: Aldehydes and ketones: HCN, NH3 derivatives, Grignard, oxidation, reduction (Wolff-Kishner, Clemmensen)· Organic Compounds Containing Oxygen

The correct structure of the product A formed in the reaction [cyclohex-2-enone, H_2 (gas, 1 atmosphere), Pd/carbon, ethanol → A] is

The correct structure of the product \(A\) formed in the reaction [cyclohex-2-enone, \(H_2\) (gas, 1 atmosphere), Pd/carbon, ethanol \(\rightarrow A\)] is

reaction scheme plus 4 product structure options

1. [structure shown in figure]

2. [structure shown in figure]

3. [structure shown in figure]

4. [structure shown in figure]

1 answer

Best answer

Answer: 1. [structure shown in figure]

Key idea: \(H_2\) with Pd/C at 1 atm reduces the C=C bond selectively; the C=O is not reduced under these mild conditions.

Cyclohex-2-enone therefore gives cyclohexanone (option 1). Options with OH would need reduction of C=O, and option 3 is an unreasonable cation.

Doubtly AI · 30 Oct 2026 AI-generated · not yet verified Report
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